ICS950811 datasheet(1/18 Pages) ICST

Part #	ICS950811

Description	Frequency Generator with 200MHz Differential CPU Clocks

PDF	18 Pages

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Manufacturer	ICST [Integrated Circuit Systems]

Direct Link	http://www.icst.com

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1 / 18 page

Integrated

Circuit

Systems, Inc.

ICS950811

0482E—08/09/07

Block Diagram

Recommended Application:

CK-408 clock for Brookdale-Mobile chipsets.

Programmable for group to group skew.

Output Features:

•

3 Differential CPU Clock Pairs (differential current

mode)

•

7 PCI (3.3V) @ 33.3MHz

•

3 PCI_F (3.3V) @ 33.3MHz

•

1 USB (3.3V) @ 48MHz

•

1 DOT (3.3V) @ 48MHz

•

1 REF (3.3V) @ 14.318MHz

•

5 3V66 (3.3V) @ 66.6MHz

•

1 VCH/3V66 (3.3V) @ 48MHz or 66.6MHz

Features:

•

Supports spread spectrum modulation,

down spread 0 to -0.5%.

•

Efficient power management scheme through PD#,

CPU_STOP# and PCI_STOP#.

Key Specifications:

•

CPU Output Jitter <150ps

•

3V66 Output Jitter <250ps

•

66MHz Output Jitter (Buffered Mode Only) <100ps

•

CPU Output Skew <100ps

Pin Configuration

56 pin SSOP/TSSOP

Frequency Generator with 200MHz Differential CPU Clocks

Functionality

* These inputs have 150K internal pull-up resistor to VDD.

2

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F1

S

F0

S

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